Gilbert, Holly R., Thomas E. Holzer, Joan T. Burkepile, and Arthur J. Hundhausen, Active and Eruptive Prominences and Their Relationship to Coronal Mass Ejections, ApJ, 537, 503-515 (2000) (ADS)
(click on the image for a larger version)
Date: 2007 January 10
Update: 2019 December 12
How does a partial filament eruption occur? That's easy, according to this cartoon: magnetic reconnection, and then more magnetic reconnection!